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umka21 [38]
3 years ago
15

PLEASE HELP ME I WILL GIVE BRAINLIEST

Mathematics
2 answers:
damaskus [11]3 years ago
8 0
2(3.14)5. Circumference formula = 2 x 3.14 x radius of circle
Artist 52 [7]3 years ago
7 0
First and the third one
Hope that helped and sorry if I do get it wrong
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Which of the following are properties of right triangles?
sineoko [7]
The properties that apply true are:

1–as it implies the Pythagorean theorem; a^2+b^2=c^2

3–as it implies the basic rules of visualized geometry.

4–as the greater side(hypotenuse) is opposite the right angle.

NOT 2, as the accrue angles ARE complimentary.
4 0
3 years ago
Quick plz help asap marking brainliest for first answer as long as you include steps !!!
Akimi4 [234]

Answer:

a=2.48

c=9.52

Step-by-step explanation:

a+c=12

4a+7.5c=72.5 Given


a+c=12

-4a-7.5c=-72.5 multiply the equation by negative 1


-3a-6.5c=-60.5 simplify


-3a=-60.5+6.5c add 6.5c to both sides


a=-20.17+2.17c divide it by 3

now you would take that equation and plug it into an equation you already have since you have something to plug in for a, the easiest one to do is a+c=12

(-20.17+2.17c)+c=12 plug in the equation


-20.17+3.17c=12 simplify by solving for c


3.17c=30.17 add 20.17 to both sides


c=9.52 divide both sides by 3.17

now since you have found c, you can plug it in to you equation to solve for a now (use the ones from the second step).  I am using the equation a+c=12.

a+9.52=12 plug in the variable and solve for a


a=2.48 subtract 9.52 to both sides


a=2.48

c=9.52

7 0
3 years ago
10 times 250+45<br>NEED ANSWER ASAP. WILL MARK AS BRAINLEST!​
777dan777 [17]

Answer:

2545

Step-by-step explanation:

8 0
3 years ago
Given angle A B C , in which Line AD bisects angle BAC. If m angle B=64 and m angle C =42, determine m angle BAD.
Andrew [12]
D=54 i might be wrong
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3 years ago
this table contains data on the number of people visiting a historical landmark over a period of one week. sketch a scatter plot
RSB [31]

Answer:C. 0.9

Step-by-step explanation:

6 0
3 years ago
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